EP1932033A2 - Optical wavelength selective router - Google Patents
Optical wavelength selective routerInfo
- Publication number
- EP1932033A2 EP1932033A2 EP06796076A EP06796076A EP1932033A2 EP 1932033 A2 EP1932033 A2 EP 1932033A2 EP 06796076 A EP06796076 A EP 06796076A EP 06796076 A EP06796076 A EP 06796076A EP 1932033 A2 EP1932033 A2 EP 1932033A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- wavelength
- optical
- polarization
- array
- selective switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims description 115
- 230000010287 polarization Effects 0.000 claims abstract description 119
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 57
- 239000006185 dispersion Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims description 41
- 239000013078 crystal Substances 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 230000002238 attenuated effect Effects 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000009466 transformation Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000001131 transforming effect Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 239000000835 fiber Substances 0.000 description 22
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000001419 dependent effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229910009372 YVO4 Inorganic materials 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229940125730 polarisation modulator Drugs 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
- G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
- G02B6/29382—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM including at least adding or dropping a signal, i.e. passing the majority of signals
- G02B6/29383—Adding and dropping
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
- G02B6/2706—Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters
- G02B6/2713—Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters cascade of polarisation selective or adjusting operations
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
- G02B6/29305—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
- G02B6/29311—Diffractive element operating in transmission
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
- G02B6/29305—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
- G02B6/29313—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide characterised by means for controlling the position or direction of light incident to or leaving the diffractive element, e.g. for varying the wavelength response
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
- G02B6/356—Switching arrangements, i.e. number of input/output ports and interconnection types in an optical cross-connect device, e.g. routing and switching aspects of interconnecting different paths propagating different wavelengths to (re)configure the various input and output links
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
- G02B6/3512—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being reflective, e.g. mirror
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
- G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
- G02B6/3548—1xN switch, i.e. one input and a selectable single output of N possible outputs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/3594—Characterised by additional functional means, e.g. means for variably attenuating or branching or means for switching differently polarized beams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
- H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
- H04J14/0212—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM] using optical switches or wavelength selective switches [WSS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0215—Architecture aspects
- H04J14/0219—Modular or upgradable architectures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
- H04Q2011/0026—Construction using free space propagation (e.g. lenses, mirrors)
- H04Q2011/003—Construction using free space propagation (e.g. lenses, mirrors) using switches based on microelectro-mechanical systems [MEMS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
- H04Q2011/0035—Construction using miscellaneous components, e.g. circulator, polarisation, acousto/thermo optical
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Liquid Crystal (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71569505P | 2005-09-08 | 2005-09-08 | |
PCT/IL2006/001052 WO2007029260A2 (en) | 2005-09-08 | 2006-09-10 | Optical wavelength selective router |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1932033A2 true EP1932033A2 (en) | 2008-06-18 |
EP1932033A4 EP1932033A4 (en) | 2010-04-07 |
EP1932033B1 EP1932033B1 (en) | 2014-08-06 |
Family
ID=37836265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06796076.5A Active EP1932033B1 (en) | 2005-09-08 | 2006-09-10 | Optical wavelength selective router |
Country Status (4)
Country | Link |
---|---|
US (2) | US7822303B2 (en) |
EP (1) | EP1932033B1 (en) |
JP (1) | JP4875087B2 (en) |
WO (1) | WO2007029260A2 (en) |
Families Citing this family (65)
Publication number | Priority date | Publication date | Assignee | Title |
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GB0121308D0 (en) | 2001-09-03 | 2001-10-24 | Thomas Swan & Company Ltd | Optical processing |
US9103991B2 (en) | 2005-09-08 | 2015-08-11 | Finisar Corporation | Multi-pole optical signal switch |
JP4875087B2 (en) * | 2005-09-08 | 2012-02-15 | オクラロ(ニュージャージー)インコーポレイテッド | Optical wavelength selection router |
US8705960B2 (en) * | 2007-02-08 | 2014-04-22 | Jds Uniphase Corporation | M×N wavelength selective switch (WSS) |
US8081875B2 (en) * | 2007-02-08 | 2011-12-20 | Jds Uniphase Corporation | Wavelength switch |
US7574073B2 (en) | 2007-03-15 | 2009-08-11 | Xtellus, Inc. | Optical devices with integral isolators |
JP4662960B2 (en) * | 2007-03-29 | 2011-03-30 | 富士通株式会社 | Wavelength selective switch |
JP4458494B2 (en) | 2007-05-29 | 2010-04-28 | 独立行政法人産業技術総合研究所 | Waveguide type wavelength selective switch |
JP2009042557A (en) * | 2007-08-09 | 2009-02-26 | Nippon Telegr & Teleph Corp <Ntt> | Wavelength selection switch |
JP4842226B2 (en) * | 2007-08-09 | 2011-12-21 | 日本電信電話株式会社 | Wavelength selective switch |
JP5373291B2 (en) * | 2008-01-10 | 2013-12-18 | 日本電信電話株式会社 | Wavelength selective switch |
US8233794B2 (en) * | 2008-09-09 | 2012-07-31 | Paul Colbourne | Hitless MxN wavelength selective switch |
JP4949355B2 (en) * | 2008-11-13 | 2012-06-06 | 日本電信電話株式会社 | Wavelength selective switch |
US8064036B2 (en) * | 2009-04-30 | 2011-11-22 | Oclaro (North America), Inc. | Liquid crystal optical switch configured to reduce polarization dependent loss |
JP2010271645A (en) * | 2009-05-25 | 2010-12-02 | Nippon Telegr & Teleph Corp <Ntt> | Wavelength selection switch |
US8144276B2 (en) * | 2009-05-29 | 2012-03-27 | Oclaro (North America), Inc. | Liquid crystal optical device configured to reduce polarization dependent loss and polarization mode dispersion |
JP2012530930A (en) * | 2009-06-18 | 2012-12-06 | オクラロ イスラエル リミテッド | LCD wavelength selection router |
CN102498427A (en) * | 2009-06-18 | 2012-06-13 | 奥兰若(新泽西)有限公司 | Multiple port wavelength selectable router |
JP5215957B2 (en) * | 2009-08-04 | 2013-06-19 | Nttエレクトロニクス株式会社 | Optical polarization diversity module and optical apparatus |
JP5299209B2 (en) * | 2009-10-14 | 2013-09-25 | 富士通株式会社 | Wavelength selective switch and optical transmission device |
WO2011100605A1 (en) | 2010-02-12 | 2011-08-18 | Oclaro Technology Limited | Wavelength selective switch with multiple input/output ports |
US8934774B2 (en) * | 2010-03-02 | 2015-01-13 | The University Of Sydney | Phase shifter and photonic controlled beam former for phased array antennas |
WO2012012586A1 (en) * | 2010-07-20 | 2012-01-26 | Oclaro (New Jersey), Inc. | Wss with pixel gap compensation |
JP2012108346A (en) * | 2010-11-18 | 2012-06-07 | Sun Tec Kk | Wavelength selective optical switch device |
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US8854597B2 (en) * | 2011-03-16 | 2014-10-07 | Finisar Corporation | Wavelength selective switch |
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CN104254797B (en) * | 2011-10-31 | 2016-09-21 | 菲尼萨公司 | Multicast optical switch |
US9369783B2 (en) | 2012-02-17 | 2016-06-14 | Alcatel Lucent | Wavelength-selective cross-connect device having astigmatic optics |
US9188831B2 (en) * | 2012-02-17 | 2015-11-17 | Alcatel Lucent | Compact wavelength-selective cross-connect device having multiple input ports and multiple output ports |
US8867016B2 (en) * | 2012-03-12 | 2014-10-21 | Oplink Communications, Inc. | Wavelength selective switch |
JP2013216785A (en) * | 2012-04-09 | 2013-10-24 | Sumitomo Electric Ind Ltd | Mounting structure for optical component, wavelength-selective device, and method for manufacturing mounting structure for optical device |
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JP6142258B2 (en) | 2012-07-25 | 2017-06-07 | サンテック株式会社 | Optical node equipment |
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US9432750B1 (en) * | 2013-04-19 | 2016-08-30 | Wavexing, Inc. | Contentionless N×M wavelength cross connect |
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CN110494801B (en) * | 2017-05-26 | 2020-12-22 | 华为技术有限公司 | Wavelength selection switch, switching engine and phase modulation method thereof |
US10310961B1 (en) * | 2017-11-29 | 2019-06-04 | International Business Machines Corporation | Cognitive dynamic script language builder |
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CN112447146B (en) * | 2019-08-29 | 2022-04-22 | 华为技术有限公司 | Method for controlling voltage of silicon-based liquid crystal two-dimensional array and related equipment |
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Also Published As
Publication number | Publication date |
---|---|
US7822303B2 (en) | 2010-10-26 |
JP2009508159A (en) | 2009-02-26 |
EP1932033A4 (en) | 2010-04-07 |
EP1932033B1 (en) | 2014-08-06 |
WO2007029260A3 (en) | 2007-06-07 |
US8078019B2 (en) | 2011-12-13 |
WO2007029260A2 (en) | 2007-03-15 |
US20080316585A1 (en) | 2008-12-25 |
JP4875087B2 (en) | 2012-02-15 |
US20110033151A1 (en) | 2011-02-10 |
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